1.14.20.12	3-[(E)-2-isocyanoethenyl]-1H-indole synthase	3-[(E)-2-isocyanoethenyl]-1H-indole biosynthesis	-	-	PWY-7956	
4.1.99.25	L-tryptophan isonitrile synthase	3-[(E)-2-isocyanoethenyl]-1H-indole biosynthesis	-	-	PWY-7956